252140888249 has 2 divisors, whose sum is σ = 252140888250. Its totient is φ = 252140888248.

The previous prime is 252140888183. The next prime is 252140888261. The reversal of 252140888249 is 942888041252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224529084025 + 27611804224 = 473845^2 + 166168^2 .

It is a cyclic number.

It is not a de Polignac number, because 252140888249 - 2²⁰ = 252139839673 is a prime.

It is a super-3 number, since 3×252140888249³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252140888249.

It is not a weakly prime, because it can be changed into another prime (252140818249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126070444124 + 126070444125.

It is an arithmetic number, because the mean of its divisors is an integer number (126070444125).

Almost surely, 2^252140888249 is an apocalyptic number.

It is an amenable number.

252140888249 is a deficient number, since it is larger than the sum of its proper divisors (1).

252140888249 is an equidigital number, since it uses as much as digits as its factorization.

252140888249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 252140888249 in words is "two hundred fifty-two billion, one hundred forty million, eight hundred eighty-eight thousand, two hundred forty-nine".